Four-toed Hedgehog vs squirrel’s tail hydroid

Atelerix albiventris compared with Sertularia argentea

Key Differences

• Four-toed Hedgehog is Least Concern while squirrel’s tail hydroid is Not Evaluated.

Taxonomic Classification

Rank	Four-toed Hedgehog	squirrel’s tail hydroid
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Cnidaria (Cnidarians)
Class	Mammalia (Mammals)	Hydrozoa (Hydrozoa)
Order	Erinaceomorpha (Erinaceomorpha)	Leptothecata (Leptothecata)
Family	Erinaceidae	Sertulariidae
Genus	Atelerix	Sertularia
Species	Atelerix albiventris	Sertularia argentea

Evolutionary Relationship

Four-toed Hedgehog and squirrel’s tail hydroid share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Four-toed Hedgehog

LC — Least Concern

squirrel’s tail hydroid

NE — Not Evaluated

Physical Characteristics

Attribute	Four-toed Hedgehog	squirrel’s tail hydroid
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Four-toed Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Ecuador and Spain.

squirrel’s tail hydroid

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.